JP2002247910A - Display device for combined harvester or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a monitor having a constitution to detect a grain storage amount changing every moment in the grain tank, capable of indicting the grain storage amount by an LCD display device. SOLUTION: This display device indicates a grain storage level to be detected by a grain sensor 21 arranged in the train tank 11 in the LCD display 1 in stages in picture. After an engine key is switched on and an engine is started, the picture indication is outputted. After the engine is started, a monitor sign is outputted and indicated in a short time, the grain storage level is sometimes displayed and outputted in picture in stages on the LCD display 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device such as a combine.

[0002]

2. Description of the Related Art In recent years, the automatic control of the operation of each part of a combine has been remarkably advanced, and the contents thereof include synchronizing control of the rotation speed of a reaper and vehicle speed, and handling. Depth control, cutting height control,
There are traveling direction control, body level control, vehicle speed control, sorting control, reaper auto-lift control, dumping auger automatic turning control, etc. The monitor includes an oil pressure sensor, a charge voltage sensor, a water temperature sensor, a harvesting sensor, a waste straw clogging sensor, a notter clogging sensor, a grain tank sensor, and the like.

[0003] Among these various monitors, the detection based on the grain tank sensor is a so-called full sensor, and when this sensor is activated, the operation must be interrupted immediately and a predetermined grain discharging operation must be started. On the way, the amount of grain could not be confirmed. Therefore, the present invention has an object to provide a monitor in which the grain tank sensor is configured to detect the amount of stored grain, and an ever-changing amount of grain is displayed on an LCD display.

[0004]

Therefore, the present invention has taken the following technical means. That is, the invention according to claim 1 is a display device provided to display a grain storage level detected by the grain tank sensor 21 provided in the grain tank 11 on the LCD display 1 step by step. Then, the engine key is turned on, and the picture display is output after the engine is started. Therefore, when the engine is started, the LCD display 1
, The filling amount detected by the grain tank sensor 21 provided in the grain tank 11 is output as a pictorial display.

According to the second aspect of the present invention, after the engine is started, the output is displayed on a monitor sign for a short time, and then the grain storage level is output as a picture on the LCD display 1 in a stepwise manner. Configuration. Therefore, when the engine is started, the LCD display 1 displays the monitor sign screen for a predetermined short time to display the kernel storage level.

[0006]

When the engine is started when working with a combine or the like, the LCD display 1 provided on the meter panel can display the filling amount of the grain in the grain tank at the time of the start, and It is easy to make a plan for the discharge time of work.

[0007] In addition, without involving separate display output operations,
Since the amount of grain filling is automatically displayed as a picture when the engine is started, it is convenient to remember the confirmation. It should be noted that once the display is switched after the display of the monitor sign for a short time, the operator can be alerted by switching the screen, and the above effect is ensured.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A case where the present invention is applied to a combine will be specifically described below with reference to the drawings. In FIG. 1, 3 is a body frame, 4 is a traveling device provided below the body frame 3, and 5 is a body frame 3
, A harvesting device provided in front of the machine frame 6, a threshing device provided above the body frame 3, 7 a control unit provided above the machine frame 3 and in front of the threshing device 6, and 8 a control unit provided 7
, A control table 9 provided in front of the control table 8, a seat 10 provided opposite the control table 8, an engine room 10 provided between the threshing device 6 and the control section 7, and an adjacent 11 to the engine room 10 It is a grain tank provided.

A meter panel 12 is provided on the upper surface of the control console 8, and the meter panel 12 has, as shown in FIG.
LCD indicator 1 that displays multiple check items in a predetermined order as a turn signal indicator 13, a fuel gauge 14, an engine tachometer 15, a work hour meter 16, and an OK monitor.
And a warning light 2 that alerts the operator when necessary in connection with the items to be displayed on the LCD display 1 are provided as appropriate.

An OK monitor provided on the panel 12 for displaying characters or pictures on a multi-display LCD 1 is an oil pressure sensor 17 for checking an engine oil pressure in an engine check mode.
And a charge voltage sensor 18 for checking the battery charge voltage, a water temperature sensor 19 for checking the engine coolant temperature, and an engine rotation sensor 20 for checking the engine speed. , As the working unit check mode, the grain tank 1
Grain tank sensor 2 for checking the amount of stored grain in 1
1, a cutting and clogging sensor 22 for checking clogging related to the harvesting device transport, a waste stirrer clogging sensor 23 for checking clogging related to threshing device discharge stirrer transport, and a notter clogging sensor 24 for checking clogging related to the notter device. These sensors 1 are arranged at appropriate places around the working section, and as shown in FIG.
7, 18, 19, 20, 21, 22, 23, and 24 are connected to the input side of the CPU of the monitor control device, and the LCD display 1 and the LCD display 1 are displayed on the output side of the CPU. A warning light 2 that warns the operator when an abnormality occurs in the engine check mode, and a buzzer 2 that warns the operator when an abnormality occurs in the working unit check mode.
5 are connected to each other.

[0011] The LCD display 1 includes a [grain tank].
Is displayed, and the grain filling amount of the grain tank 11 is notified. That is, as shown in FIG. 5, the picture of the [grain tank] is displayed on the grain tank sensor 21 provided in the grain tank 11 by, for example, 21a, 21b, 21c, 21c.
d and 21e are provided in five stages, and when each of the sensors checks according to the filling amount, the image of the outer frame displayed as the grain tank 11 as shown in FIG. This is a configuration in which the stored grain storage level is displayed stepwise by a scale line 26.

At this time, if any of the indications of the respective sensors is skipped, the display of the picture of [the grain tank] is stopped on the LCD display 1 as an abnormality of the grain tank sensor 21. At the same time as displaying the word "grain tank sensor", the warning light 2 is turned on to warn the operator (see FIG. 11).

[0013] Also, by the detection of the engine sensor system,
The LCD display 1 displays the characters "glow OK". When the engine starter is turned on to start the engine and the starter is turned off, the characters of the "monitor sign" (the contents of the characters are After displaying (anything may be used), the amount of grain stored in the grain tank 11 is displayed stepwise by a picture of [grain tank].

Next, the operation of the above configuration will be described. During the work of the combine for cutting and threshing the planted grain culm, the contents displayed on the LCD display 1 as an OK monitor include a state in which an engine key is ON, an engine start by turning on a starter, and a work state. Check in the check mode and the work check mode.

As shown in FIG. 4, the display schedule displayed on the LCD display 1 by this check is as follows: when the engine key is ON only, the engine oil pressure is abnormal, the battery charge voltage is abnormal, the engine rotation sensor 2
Since no phenomenal abnormality has occurred in any of the 0 abnormalities,
Just as in the normal case, immediately after the engine key is turned on, the letters "Oil Pressure" are displayed for 1 second, the letters "Charge Denatsu" are displayed for 1 second, then the letters "Glow" are displayed for 2 to 3 seconds, and then 3 The character “glow OK” is displayed for a second, but the warning light 2 does not light.

However, if there is an abnormality in the oil pressure sensor 17 and its circuit or an abnormality in the charge voltage sensor 18 and its circuit, the character "engine sensor" is displayed for two seconds immediately after the engine key is turned on. The warning light 2 is turned on to warn the worker. As for the glow abnormality, the characters "oil pressure" are displayed for one second and then "charge denatsu" for one second as in the normal state immediately after the engine key is turned on. Alternatively, the characters in the working unit check mode are displayed, and the characters “glow” and “glow OK” are not displayed, but the glow abnormality is notified (see FIG. 10).

On the other hand, when the engine starter is turned on to start the engine and the starter is turned off in the character display of "glow OK", the character of the "monitor sign" for one second is normal (the content of the character is arbitrary) in a normal state. Is displayed, the stored amount of grain in the grain tank 11 is displayed stepwise by the picture of [grain tank]. The display of the picture is suspended and the operation check mode is displayed. In the case of the operation check mode, the buzzer 25 is warned simultaneously with this display to warn the operator.

When the engine oil pressure is abnormal, the character "oil pressure" is displayed. When the battery charge voltage is abnormal, the character "charge denatsu" is displayed. Is displayed, but if there is an abnormality in the operation unit check mode, the display is changed to these displays. When the engine rotation sensor 20 is abnormal, the warning light 2 is turned on at the same time as displaying the character of "engine sensor" for a certain period of time. Thereafter, if there is an abnormality in the working unit check mode, the display is changed to these displays.

The picture of [grain tank] is indicated by grain tank sensors 21a, 21b,
At the time when 21c, 21d and 21e check the filling amount, the kernel storage level corresponding to each sensor is displayed stepwise by the scale line 26 in the picture of the outer frame displayed as the kernel tank 11. . If any of the indications of the sensors is skipped, the display of the picture of the [grain tank] is stopped on the LCD display 1 as an abnormality of the grain tank sensor 21, and the "grain tank sensor" is displayed. At the same time, the warning light 2 is turned on to warn the operator.

Next, a description will be given of the shared controller 27 which controls each operation section during the combine operation. FIG.
As shown in the figure, the box-shaped common controller 27 arranged at an arbitrary position of the control table 8 is provided with a cassette loading section 29 for loading a ROM cassette 28 in which a program memory is written on a part of the upper surface thereof. A CPU for performing arithmetic control by being connected to the ROM cassette 28 is provided therein.
The PU and the cassette loading section 29 are connected and configured.

The operation of the common controller 27 is such that it is possible to cope with various control systems simply by reloading the ROM cassette 28 on which the program memory is mounted, but when the ROM cassette 28 is not loaded. Is extremely dangerous because a malfunction occurs due to runaway of the CPU. However, as shown in FIG.
When the CPU is not loaded, a reset state is maintained by a command set in the CPU to prevent occurrence of a control malfunction.

Further, when the ROM cassette 28 is improperly loaded or improperly loaded so as to adversely affect the common controller 27, the above-described malfunction occurs and is extremely dangerous, so as shown in FIG. The common controller 27
Before the start of the control by the ROM cassette 28, a check function by an initial setting program or the like for checking the loaded state of the ROM cassette 28 is provided.
It is determined that the cassette 28 is properly loaded,
The subsequent control is started.
This is to check the improper loading of No. 8 beforehand and prevent the occurrence of control malfunction.

[Brief description of the drawings]

FIG. 1 is an overall side view of a combine.

FIG. 2 is a detailed plan view of a meter panel.

FIG. 3 is an electric circuit block diagram of the monitor control device.

FIG. 4 is an expanded view of a display schedule displayed on the LCD display.

FIG. 5 is an arrangement side view of a grain storage level sensor of the grain tank.

FIG. 6 is a grain storage level display diagram of a grain tank displayed on an LCD display.

FIG. 7 is a perspective view of a shared controller that controls each operation unit.

FIG. 8 is a check flowchart for loading a ROM cassette into the shared controller.

FIG. 9 is a check flowchart for loading a ROM cassette into the shared controller.

FIG. 10 is a flowchart of a partial control.

FIG. 11 is a flowchart of a partial control.

[Explanation of symbols]

 1 LCD Display 11 Grain Tank 21 Grain Tank Sensor

Continued on front page F-term (reference) 2B074 AB01 AC02 AF02 AG03 BA05 CA01 CE01 DA02 DA03 DA05 DA06 DB04 DC07 EA12 EC01 ED03 FA10 FB01 2B076 AA03 BA05 EA01 EB05 EC23 ED22 2B396 JA04 JC07 KC12 KE02 ML10 PC01 PC07 Q01 QA1

Claims (2)

[Claims] 1. A display device for displaying a grain storage level detected by a grain tank sensor 21 provided in a grain tank 11 on an LCD display 1 in a stepwise manner, wherein an engine key is turned on. And a display device such as a combine which outputs the picture after the engine is started. 2. After the engine is started, an output is displayed on a monitor sign for a short time, and the grain storage level is displayed on an LCD display.
The display device such as a combine according to claim 1, wherein the display device outputs a picture in a stepwise manner.